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← HistoryWhich degradation becomes accelerated when thermal expansion mismatches exist around Mughal pietra dura inlay?
A)Frost cracking of the marble✓
B)Dissolution of the lime mortar
C)Oxidation of ferrous compounds
D)Hydrolysis of silicate binders
💡 Explanation
Cracking risk increases due to differential strain because significant differences in the coefficient of thermal expansion cause stress across inlay boundaries; therefore, frost cracking occurs rather than uniform deterioration, since water intrusion into micro-cracks exacerbates expansion stress.
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